WO2015144168A2 - Actuating device for mechanically connecting to a working-cylinder piston and corresponding working cylinder - Google Patents
Actuating device for mechanically connecting to a working-cylinder piston and corresponding working cylinder Download PDFInfo
- Publication number
- WO2015144168A2 WO2015144168A2 PCT/DE2015/200192 DE2015200192W WO2015144168A2 WO 2015144168 A2 WO2015144168 A2 WO 2015144168A2 DE 2015200192 W DE2015200192 W DE 2015200192W WO 2015144168 A2 WO2015144168 A2 WO 2015144168A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- piston rod
- stop ring
- piston
- actuating device
- clip
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
- F15B7/06—Details
- F15B7/08—Input units; Master units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2215/00—Fluid-actuated devices for displacing a member from one position to another
- F15B2215/30—Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
- F16D2025/081—Hydraulic devices that initiate movement of pistons in slave cylinders for actuating clutches, i.e. master cylinders
Definitions
- Actuating device for mechanical connection to a working cylinder piston and corresponding working cylinder
- the invention relates to an actuating device for the mechanical connection to a piston of a working cylinder, in particular master cylinder, a hydraulic brake or clutch system.
- the actuator comprises a piston rod having a piston rod base at one end, a stop ring for the piston rod base seated on the piston rod in its interior, the stop ring being pliable from the piston rod base in at least one angular position of the piston rod relative to this stop ring, and a loss prevention device for preventing such a penetration, which has a base body and a clip device, by means of which the loss securing device is releasably secured to the stop ring.
- the actuating device is thus an assembly for a corresponding working cylinder.
- the invention further relates to the corresponding working cylinder of a hydraulic brake or clutch system with a cylinder housing, a displaceably mounted in this cylinder housing piston and a corresponding actuator for mechanical connection to the piston.
- Captive securing ring (transport locking ring) trained captive device held.
- the captive ring is clipped to the stop ring by means of clip connection.
- the clip connection is turned by 90 ° to the stop surface of the stop ring.
- Stop ring and clipped captive securing device to rotate the piston rod 360 ° with respect to the longitudinal axis of the working cylinder allows. This is desirable, for example, in a master cylinder, which is to be used selectively in left-hand drive (RHD) and right-hand drive vehicles and the piston rod is thus positioned depending on the vehicle type on the production line at the customer or in case of repair in the workshop for installation. To make this possible, the piston rod foot is guided by the 180 ° over the clip connection of the captive safety device. Due to the force exerted by the preload spring in the interior of the master cylinder on the piston rod on the clip connection, however, there is a risk that the locking elements of the clip connection separate from the stop ring. If, at the same time, the piston rod is deflected out of the longitudinal axis of the master cylinder owing to its pivoting capability, the entire captive securing device can be released from the stop ring and thus nevertheless result in a loss of the piston rod.
- RHD left-hand drive
- the clip device for the mechanical connection to a piston of a working cylinder of a hydraulic brake or clutch system is provided that the clip device at least one clip element with (i) attached to the body and the interior of the stop ring parallel to the piston rod cross-spring arm and (ii) a arranged on the spring arm locking projection, which engages behind the main body opposite side of the stop ring on an effective radial Schugrifftre L, the remaining game S of the arrangement of piston rod and at least one spring arm inside the stop ring in abutment against the stop ring or the Klipselement Kolbenstangenfuß in the dipping position permitting angular position is smaller than the Deutschen Bachbone L of at least one locking projection.
- S ⁇ L.
- the actuating device is -as already mentioned- an assembly for a corresponding working cylinder, in particular a master cylinder, a hydraulic brake or clutch system of a motor vehicle.
- the at least one clip element can now no longer be deformed to the extent that the captive locking device can release from the stop ring, since the remaining game S is no longer large enough to the latching projection or the latching projections of the at least to let a clip element happen.
- the clip element already abuts against the piston rod before the latching projection can be pulled completely behind the behind-engaged edge on the side of the stop ring opposite the main body.
- the part of the piston rod arranged in the interior of the stop ring is an axial section of the piston rod adjacent to the piston rod foot.
- the piston rod is provided in particular for the piston rod to have an enlarged circumference or diameter in at least one axial lower section of the axial section adjoining the piston rod foot relative to at least one further axial section of the piston rod.
- the piston rod has at least one web-like structure or other radially outwardly extending structure in the axial section adjoining the piston rod foot. It is also conceivable, for example, a structure formed by a federal government. Preferably, the structure forms the enlarged circumference (the enlarged diameter) of the piston rod in the axial portion adjacent to the piston rod root.
- the radially outwardly extending structure has a shark fin-like contour in section.
- the at least one latching projection is radially aligned.
- the latching projection is radially outward.
- the actual Schugriffa the at least one locking projection equal to the effective radial Stromgriffa L.
- a plurality of clip elements are provided.
- the effective Schugrifftre L of the entire ensemble of Klips comprisen is greater than the remaining game S.
- even the effective locking projection of each clip element is greater than the remaining game S.
- at least two of the clip elements are arranged diametrically opposite each other.
- exactly two clip elements are provided, which are arranged diametrically opposite one another.
- this actuating device is designed as an aforementioned actuating device.
- the operating (b) comprises a stop ring for the piston rod base, which holds the piston rod playfully in its interior, the stop ring of the piston rod base in at least one angular position of the piston rod relative to this stop ring
- a loss prevention device for preventing such penetration comprising a base body and a clip device by means of which it is releasably secured to the stop ring.
- the clip device has at least one clip element, which in turn attached to the Verliertechnischsvornchtung and the interior of the stop ring parallel to the piston rod by cross spring arm and the Verliertechnischsvornchtung opposite side of the stop ring on a
- this has a biasing spring acting on the piston, which spends the piston in a basic position, in which the piston and / or connected to the piston piston rod foot rests in its working position on a stop surface of the stop ring.
- the preload spring is preferably designed as a compression spring.
- FIG. 1 shows an actuating device with a piston rod for the mechanical connection to a piston of a master cylinder of a hydraulic clutch system according to a first preferred embodiment of the invention, wherein the piston rod is in a delivery position, 2: the actuator shown in Figure 1, the piston rod is in a relation to the delivery position rotated by 90 ° position,
- FIG. 3 shows the actuating device in the position shown in FIG. 2 with a slightly tilted piston rod
- FIG. 4 shows an actuating device with a piston rod for the mechanical connection to a piston of a master cylinder of a hydraulic clutch system according to a second preferred embodiment of the invention, wherein the piston rod is in a delivery position
- Fig. 5 the actuator shown in Fig. 4, the piston rod is in a relation to the delivery position rotated by 90 ° position and
- Fig. 6 the actuator in the position shown in Fig. 5 with slightly tilted piston rod.
- FIG. 1 shows an actuating device 10 of a cylinder designed as a master cylinder of a hydraulic clutch system of a motor vehicle working cylinder in a sectional view.
- This actuator 10 is thus an assembly of that working cylinder.
- the working cylinder with its components cylinder housing, in the cylinder housing slidably mounted piston, and preload spring for moving the piston in a normal position is not shown as a whole.
- the actuating device 10 has a piston rod 12, which in turn has a piston rod 14 at one end.
- the piston rod 14 is in a delivery position corresponding to the working position of the working cylinder for a right-hand drive vehicle or for a left-hand drive vehicle.
- the actuator 10 is mechanically connected to the piston of the working cylinder (not shown).
- this piston rod is an actuating rod for actuating the clutch system via the directly addressed piston of the working cylinder.
- the actuator 10 also has a stop ring 16.
- This stop ring 16 is positioned at the head end of the working cylinder, takes the piston rod 12 in its interior 18 with play and forms in the working position at least one stop surface 20 for the Kolbenstangenfuß 16.
- the preload spring of the working cylinder moves the piston in the direction of the stop ring 16.
- the preload spring guides the piston to a home position where the piston rod root in the working or delivery position abuts the stop surface 20 of the stop ring 16.
- This abutment surface 20 is formed at the head end of a structure 22 of the stop ring 16, which projects counter to the piston.
- the stop ring 16 surrounds the piston rod 12 in the adjoining the Kolbenstangenfuß 14 axial portion 28 of the piston rod 12.
- the piston rod 12 has in this axial portion 28 of the piston rod 12 has a circumference or diameter which is greater than the circumference or diameter of an adjacent another Axial section 30 of the piston rod 12. In the example shown in FIGS. 1-3, this is realized by web-like structures 32, 34 which are attached on both sides and extend over the entire axial section 28 in each case.
- Figures 2 and 3 show the actuating device 10 in a further sectional view, in which the cutting surface is rotated by the stop ring 16 and the captive securing device 24 with respect to the illustration of FIG. 1 by 90 °.
- the clip elements 36, 38 of the clip device which are integrally connected to the base body 26 of the loss prevention device 24, become visible.
- the clip device is formed by exactly two diametrically opposed clip elements 36, 38.
- the piston rod 12 is in a relation to the delivery position rotated by 90 ° position.
- the sectional area shown in Figures 2 and 3 is unchanged by the piston rod 12 with respect to the illustration of FIG.
- Each of the clip elements 36, 38 has a spring arm 40, 42 fastened to the loss-securing device 24, which engages through the interior 18 of the stop ring 16 parallel to the piston rod 12. Furthermore, each of the clip elements 36, 38 at the free end of the respective spring arm 40, 42 has a radially outwardly facing latching projection 44, 46 which has a Schugriffbone L / 2. With the latching projections 44, 46, each of the clip elements 36, 38 engages behind the side of the stop ring 16 opposite the base body 26 of the loss-securing device 24. Overall, this results in an effective one
- Loss securing device 24 is located and a loss of the piston rod 12 may occur without the size ratios described above.
- the fuse principle is clearly shown again.
- the overhang L / 2 of the locking lug 44, 46 is greater than the gap S / 2 between the loss securing device 24 and the structure 32, 34 of the piston rod 12.
- FIG. 3 shows that the safety function is fulfilled even with a tilting of the piston rod 12.
- FIGS. 4 to 6 essentially correspond to FIGS. 1 to 3, so that only the differences should be discussed here.
- the illustration in FIG. 4 corresponds to the representation in FIG. 1, the illustration in FIG. 5 to the representation in FIG. 2 and the representation in FIG. 6 to the illustration in FIG. 3.
- the piston rod 12 has at least one radially outwardly extending structure 48, 50 in the axial section 28 adjoining the piston rod base 14, which has a shark-fin-like contour in section.
- the piston rod 12 has an enlarged diameter relative to at least one further axial section 30 of the piston rod 12 in at least one axial lower section of the axial section 28 adjoining the piston rod foot 14.
- Loss securing device 24 and / or the piston rod 14 are adapted even in their dimensions.
- the diameter of the axial section 28 below the Abstützflä- surface is changed such that the (average) distance S / 2 of the piston rod 12 to the stop ring 16 at this position at any time is smaller than the effective Schugriffhave L / 2 resting on the stop ring 16 Part of the locking projection 44, 46 of the respective clip element 36, 38.
- the latter length can be increased accordingly.
- Structure with shark fin-like contour Structure with shark fin-like contour
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Actuator (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201580016616.0A CN106133338B (en) | 2014-03-27 | 2015-03-24 | Operating device for mechanical attachment to a working cylinder piston and corresponding working cylinder |
JP2017501465A JP2017515077A (en) | 2014-03-27 | 2015-03-24 | Piston rod coupling device |
EP15716739.6A EP3123034B1 (en) | 2014-03-27 | 2015-03-24 | Piston rod joint |
DE112015001492.6T DE112015001492A5 (en) | 2014-03-27 | 2015-03-24 | Actuating device for mechanical connection to a working cylinder piston and corresponding working cylinder |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014205776.0 | 2014-03-27 | ||
DE102014205776 | 2014-03-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2015144168A2 true WO2015144168A2 (en) | 2015-10-01 |
WO2015144168A3 WO2015144168A3 (en) | 2015-11-26 |
Family
ID=52875373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2015/200192 WO2015144168A2 (en) | 2014-03-27 | 2015-03-24 | Actuating device for mechanically connecting to a working-cylinder piston and corresponding working cylinder |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3123034B1 (en) |
JP (1) | JP2017515077A (en) |
CN (1) | CN106133338B (en) |
DE (1) | DE112015001492A5 (en) |
WO (1) | WO2015144168A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3060081B1 (en) * | 2016-12-12 | 2019-05-24 | Valeo Embrayages | DEVICE, IN PARTICULAR CONTROL CYLINDER, EQUIPPED WITH A HOUSING ASSEMBLED ON THE BODY OF THE DEVICE |
DE102017106011A1 (en) * | 2017-03-21 | 2018-09-27 | Schaeffler Technologies AG & Co. KG | joint assembly |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012222878A1 (en) | 2012-01-17 | 2013-07-18 | Schaeffler Technologies AG & Co. KG | Working cylinder for motor vehicle, has scraper ring that is integrated in stop ring |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT365988B (en) * | 1980-01-31 | 1982-02-25 | Steyr Daimler Puch Ag | ACTUATING DEVICE FOR AN INPUT OF AN INPUT SIDE OF A COUPLING BRAKE ASSOCIATED WITH A DRIVETRAIN, IN PARTICULAR FOR ARM TRACTORS |
BR0200348A (en) * | 2001-02-12 | 2002-10-08 | Luk Lamellen & Kupplungsbau | Hydraulic system |
DE20317436U1 (en) * | 2003-11-10 | 2004-01-22 | Magcode Ag | Electrical connection device |
FR2924185B1 (en) * | 2007-11-28 | 2009-12-11 | Valeo Embrayages | CYLINDER, IN PARTICULAR A TRANSMITTER CYLINDER OF A HYDRAULIC CLUTCH CONTROL DEVICE |
JP6211085B2 (en) * | 2012-08-31 | 2017-10-11 | シェフラー テクノロジーズ アー・ゲー ウント コー. カー・ゲーSchaeffler Technologies AG & Co. KG | Assembly and method for holding an operating rod system of an operating pedal provided in an automobile |
-
2015
- 2015-03-24 WO PCT/DE2015/200192 patent/WO2015144168A2/en active Application Filing
- 2015-03-24 DE DE112015001492.6T patent/DE112015001492A5/en not_active Withdrawn
- 2015-03-24 JP JP2017501465A patent/JP2017515077A/en active Pending
- 2015-03-24 CN CN201580016616.0A patent/CN106133338B/en active Active
- 2015-03-24 EP EP15716739.6A patent/EP3123034B1/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012222878A1 (en) | 2012-01-17 | 2013-07-18 | Schaeffler Technologies AG & Co. KG | Working cylinder for motor vehicle, has scraper ring that is integrated in stop ring |
Also Published As
Publication number | Publication date |
---|---|
JP2017515077A (en) | 2017-06-08 |
EP3123034A2 (en) | 2017-02-01 |
DE112015001492A5 (en) | 2016-12-15 |
EP3123034B1 (en) | 2018-01-31 |
CN106133338B (en) | 2017-11-07 |
WO2015144168A3 (en) | 2015-11-26 |
CN106133338A (en) | 2016-11-16 |
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